The pdf got stripped off but could you send it to me. I would be interested.
I am using a 160m dipole fed with ladder line and it works very well on 30m.
73 Mark N1UK
----- Original Message -----
From: "Steven Lamendola" <email@example.com>
To: "Marinus Loewensteijn" <firstname.lastname@example.org>
Cc: "TowerTalk" <email@example.com>
Sent: Thursday, 13 November, 2008 6:51 AM
Subject: Re: [TowerTalk] 40 meter delta
> Take a look at the attached pdf it works quite well and I have a 40 meter
> Delta loop fed with ladder line for multi band use that works great also.
> 73's Steve KE4THX
> On Wed, Nov 12, 2008 at 2:26 AM, Marinus Loewensteijn
>> Situation is: small lot, not enough room to put up full size 40 mater
>> dipole, shortened just OK. Some trees (neighbours, cannot do much about
>> them) Property is sloping (long path to open sea), two story "town house
>> (two houses under one roof).
>> Presently experimenting with a 40 meter rotatable dipole and not happy. A
>> lot of local interference and not enough DX.
>> Did a lot of exploring on the internet but cannot seem to come up with
>> something that is going to look like a "garanteed winner".
>> Have thought about half wave L antenna, centre fed at the top. Cannot
>> the top leg much longer than approx 11.5 meters but to the ground more is
>> possible. However am concerned about the noise level.
>> Am now considering: A "sloping delta loop, the top leg horizontal, one
>> diagonal and one leg "vertical" (90 degree angle with the top horizontal
>> - but still sloping ). Will be feeding it in the top corner where the 90
>> degree corner is. Slope will be towards sea and bottom is expected to be
>> around 7 foot from the ground.
>> Main reason to consider a loop is that a loop is considered to be
>> performing reasonably well in close proximity to surrounding trees and is
>> supposed to give a few S points less noise.
>> MMANA gives a favourable pattern but I know MMANA is not too accurate
>> modelling close to the ground.
>> The more knowledgable antenna experts under the group (at least more than
>> me): what do you reckon: a good idea or should I go for something else?
>> Thanks in advance
>> marinus, ZL2ML
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